They could vote for the legislation, maybe push for an amendment, that doesn't kick in for about 10 years.

e.g. starting 1 January 2036, no person can be a member of Congress who has been in office for 10 or more years, consecutively or non-consecutively. This does not apply to any person who was a Congressperson at the time that this amendment was ratified; and years served before 1 January 2030 will not count.

and/or,

e.g. notwithstanding the aforementioned, starting 1 January 2060, no person can be a member of Congress who has been a member of Congress for 10 or more years, consecutively or non-consecutively.